[填空题]Brand-name products are promoted more frequently.

[填空题]Brand-name products are promoted more frequently.

[填空题]People could eat more cocoa-rich products such as dark chocolate but not drink tea if they want to lower their blood pressure, German researchers reported Monday. A team of researchers from the University Hospital of Cologne analyzed data from {{U}} (36) {{/U}} studies that looked at the benefits of tea and cocoa. They found eating foods {{U}} (37) {{/U}} in cocoa resulted in lower blood pressure levels. Their report {{U}} (38) {{/U}} of exactly 10 studies on cocoa with a total of 173 {{U}} (39) {{/U}},a third of whom had high blood pressure and were {{U}} (40) {{/U}} for a two-week period, and five tea studies with 343 people for a four-week period. The fall in blood pressure {{U}} (41) {{/U}} to cocoa could be expected to reduce the risk of strokes and heart {{U}} (42) {{/U}} by 10-20 percent, the report said. The benefits are believed to come from certain compounds, {{U}} (43) {{/U}} Dr. Dirk Taubert, a leading author of the report. While tea and cocoa ar